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Fuel pipe info/problem

Discussion in 'XJ Technical Chat' started by mustra, Apr 18, 2012.

  1. mustra

    mustra New Member

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    hy guys I have started with the modification on my yamaha xj550 , 83 year.

    And I encountered a problem, I'm about to change the fuel tank with a new on from a different bike, and I don't have the fuel pipe.

    The guys on my forum warned to check if my bike has regular (gravity) pipe or it is on vacuum.

    I realy don't know how to check than so I figured to ask here.

    so can anyone help me.
     
    mustra, Apr 18, 2012
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  2. boostenlebaron

    boostenlebaron Member

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    gravity would have a single line from the tank petcock to the carbs. The vacuum would have an additional line coming from the carb area going to the petcock for a toal of 2 lines at the petcock.
     
    boostenlebaron, Apr 18, 2012
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